Wochenzeit
Essays for people who do not merely want to measure time.
Once a week: watchmaking, quantum questions, philosophy, thought experiments and the art of not merely spending a moment.
Why Earth Is a Poor Clock
How UT1, atomic time, UTC and leap seconds reconcile Earth's irregular rotation.
Why GPS Would Not Work Without Einstein
How motion and gravity alter the rate of GPS satellite clocks.
Why a Mechanical Watch Gains or Loses Time
How the balance, spring, position, temperature, power and friction alter a watch's rate.
Every Second Passes Only Once: What Deserves Our Attention
Why attention means selection, without creating a duty to optimise every moment.
Time in Art, Art in Time
How art depicts time, makes it tangible as duration, and is changed by preservation itself.
Time at Sea: How a Clock Found Longitude
How carried reference time and the local Sun made longitude measurable.
Time and Fashion: What Remains When Fashion Moves On?
Why watches are fashion objects yet can outlive fashion: on style, repair and personal choice.
The Einstein Watchmaker Quote: What Is Actually Documented
The quote is unsupported. Einstein's actual role before the Manhattan Project is more complex and more revealing.
Can Quanta Jump Through Time?
What a negative weak time value really means, and why it does not amount to a journey into the past.
What a Clock Knows About Time
How mechanical clocks measure intervals and why accuracy always requires comparison, regulation and care.